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| Content Provider | Springer Nature Link |
|---|---|
| Author | Gérard, Bastien Bréda, Nathalie |
| Copyright Year | 2012 |
| Abstract | European beech (Fagus sylvatica L.) is considered threatened by anticipated climate change, but the physiological causes of potential beech decline or mortality remains poorly understood.The purpose of the present study was to fuel debate about the assumption that carbohydrate depletion is involved in the decline of mature European beech.The health status of beech trees from a severely declining stand was visually assessed by examining their crown condition. Content and radial distribution of non-structural carbohydrates (starch and soluble carbohydrate) were analyzed in the trunks and compared to those reported earlier in trunks of healthy beech trees.The distribution of carbohydrate in the beech trunks recorded here seemed affected by decline. We found a stronger radial decrease of starch content than those reported earlier for healthy beech trees. Carbohydrate reserves appear partially maintained in the outermost rings while starch depletion occurred in older wood rings in declining trees that may be able to mobilize carbohydrate reserves from older wood rings in response to successive climatic constraints. |
| Starting Page | 675 |
| Ending Page | 682 |
| Page Count | 8 |
| File Format | |
| ISSN | 12864560 |
| Journal | Annals of Forest Science |
| Volume Number | 71 |
| Issue Number | 6 |
| e-ISSN | 1297966X |
| Language | English |
| Publisher | Springer Paris |
| Publisher Date | 2012-09-14 |
| Publisher Institution | Institut National de la Recherche Agronomique (INRA) |
| Publisher Place | Paris |
| Access Restriction | Subscribed |
| Subject Keyword | Crown condition Decline Non-structural carbohydrates Starch Storage Water balance Forestry Wood Science & Technology Forestry Management Tree Biology Environment |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Forestry |
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